Safety and commissioning information for Ex areas
14.1 Motor protection functions (overload protection, thermistor protection)
SIMOCODE pro
306 System Manual, 05/2019, A5E40507475002A/RS-AD/004
Setting the "response" of the overload protection
Set the response of the overload protection to "Trip"!
Example of a tripping characteristic with 3UF710* current/voltage measuring modules and
3UF711*-1AA00-0 1st generation current/voltage measuring modules
Motor 500 V, 50 / 60 Hz, 110 kW, 156 A, temperature class T3, time T
E
= 11 s, I
A
/ I
s
= 5.5:
Figure 14-1 Tripping conditions of the Ex e motor, selected: CLASS 10 when using a 3UF710*
current measuring module
The latest tripping characteristics for SIMOCODE pro can be found in the
Industry Online Support (Tripping characteristics 3UF7
(
https://support.industry.siemens.com/cs/search?search=3UF7&type=Characteristic&lc=en-
WW)).
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